COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew...

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COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew Meadows Sierra Nevada Research Institute University of California Merced

Transcript of COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew...

Page 1: COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew Meadows Sierra Nevada Research Institute University of.

COSMOS use at the Southern Sierra Critical Zone Observatory

3rd Annual COSMOS Workshop

Matthew MeadowsSierra Nevada Research InstituteUniversity of California Merced

Page 2: COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew Meadows Sierra Nevada Research Institute University of.

Critical Zone Observatories

http://criticalzone.org

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CZO Common Infrastructure

With the goal to:• resolve the evolution and formation of the CZ

and its attributes• measure the properties and structure of the

present-day CZ• construct carbon, mass and energy balances

(event- to long-time scales)Energy

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Southern Sierra CZO

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Southern Sierra Critical Zone Observatory (CZO) soil moisture measurements:

• cosmic-ray• time domain reflectometry (TDR)• dielectric• neutron probe• physical sampling techniques.

Page 6: COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew Meadows Sierra Nevada Research Institute University of.
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Installation and Survey

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Hiking the COSMOS sensor into P301.

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Volumetric Water Content

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Volumetric Water ContentRecalibrated

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Effective soil depth

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Snow depth

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Snow depth variability

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Dealing with snow

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Soil water estimates, 0-30 cm

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Correlation of COSMOS VWC

with distributed sensor network during no-snow

conditions

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The Future

• Easy to deploy– Elevations, aspects, sets of sensors

• Soil moisture and vegetation– Timing of moisture stress– Evapotranspiration

• Snow and/or snow+soil storage

http://criticalzone.org/

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Common CZO Infrastructure

• Fluxes within and across the critical zone boundaries– vegetation-atmospheric– terrestrial-aquatic– soil-atmospheric– soil-plant– bedrock-soil

http://criticalzone.org/